Neighborhoods go through natural population cycles, as kids grow up, parents retire and downsize, and new families move in. But SN suggests that new development that skews away from the needs of families can artificially speed up those cycles and destroy the balance. In the immediate future, they'd like to see better sidewalks, bike lanes, and park space along busy streets like Burnet. Longer term, they'd like to see the city encourage a mix of development they call "sustainable" and "family-friendly.""We're not opposing density, we're just trying to shape it in a different way," says Steven Zettner, the group's co-founder and president. "We need to implement density in such a way that it will work for different kinds of people, and we will still have a strong sense of community."Read more:http://www.austinchronicle.com/news/2013-03-22/neighborhood-watch/